1021112303 has 2 divisors, whose sum is σ = 1021112304. Its totient is φ = 1021112302.

The previous prime is 1021112299. The next prime is 1021112321. The reversal of 1021112303 is 3032111201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021112303 - 2² = 1021112299 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021112333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510556151 + 510556152.

It is an arithmetic number, because the mean of its divisors is an integer number (510556152).

Almost surely, 2^1021112303 is an apocalyptic number.

1021112303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021112303 is an equidigital number, since it uses as much as digits as its factorization.

1021112303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1021112303 is about 31954.8478794689. The cubic root of 1021112303 is about 1006.9884816872.

Adding to 1021112303 its reverse (3032111201), we get a palindrome (4053223504).

The spelling of 1021112303 in words is "one billion, twenty-one million, one hundred twelve thousand, three hundred three".